IRS Redesigned Notices
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Notice Number Description
CP01A This letter tells you about the Identity Protection Personal Identification Number (IP PIN) the IRS sent you.
CP01H You received a CP 01H notice because the IRS was unable to process your tax return. The IRS has locked your account because the Social Security Administration informed us that the Social Security number (SSN) of the primary or secondary taxpayer on the return belongs to someone who was deceased prior to the current tax year (before January 1, 2010 for a 2010 tax return).
CP02H You owe a balance due as a result of amending your tax return to show receipt of a grant received as a result of Hurricane Katrina, Rita or Wilma.
CP03C You received a tax credit (called the First-Time Homebuyer Credit) for a house you purchased. You may need to file a form to report a change in ownership to the house you purchased.
CP04 Our records show that you or your spouse served in a combat zone, a qualified contingency operation, or a hazardous duty station during the tax year specified on your notice. As a result, you may be eligible for tax deferment.
CP05 The IRS is reviewing your tax return.
CP05A The IRS is examining your return and needs documentation.
CP07 The IRS received your tax return and are holding your refund until they complete a more thorough review of the benefits you claimed under a treaty and/or the deductions claimed on Schedule A.
CP08 You may qualify for the Additional Child Tax Credit and be entitled to some additional money.
CP09 The IRS sent you this notice because our records indicate you may be eligible for the Earned Income Credit (EIC), but didn't claim it on your tax return.
CP10 The IRS made a change(s) to your return because they believe there's a miscalculation. This change(s) affected the estimated tax payment you wanted applied to your taxes for next year.
CP10A The IRS made a change(s) to your return because they believe there's a miscalculation involving your Earned Income Credit. This change(s) affected the estimated tax payment you wanted applied to your taxes for next year.
CP11 The IRS made changes to your return because they believe there’s a miscalculation. You owe money on your taxes as a result of these changes.
CP11A The IRS made changes to your return because they believe there's a miscalculation involving your Earned Income Credit. You owe money on your taxes as a result of these changes.
CP11M The IRS made changes to your return involving the Making Work Pay and Government Retiree Credit. You owe money on your taxes as a result of these changes.
CP12 The IRS made changes to correct a miscalculation on your return.
CP12A The IRS made changes to correct the Earned Income Credit (EIC) claimed on your tax return.
CP12E The IRS made changes to correct a miscalculation on your return.
CP12M The IRS made changes to the computation of the Making Work Pay and/or Government Retiree Credits on your return.
CP12R The IRS made changes to the computation of the Rebate Recovery Credit on your return.
CP13 The IRS made changes to your return because they believe there's a miscalculation. You're not due a refund nor do you owe an additional amount because of our changes. Your account balance is zero.
CP13A The IRS made changes to your return because they found an error involving your Earned Income Credit. You're not due a refund nor do you owe an additional amount because of our changes. Your account balance is zero.
CP13M The IRS made changes to your return involving the Making Work Pay credit or the Government Retiree Credit. You're not due a refund nor do you owe an additional amount because of our changes. Your account balance is zero.
CP13R The IRS made changes to your return involving the Recovery Rebate Credit. You're not due a refund nor do you owe an additional amount because of our changes. Your account balance is zero.
CP14 The IRS sent you this notice because you owe money on unpaid taxes.
CP14I You owe taxes and penalties because you didn't take out the minimum amount you had to from your traditional individual retirement arrangement (IRA). Or, you put into a tax-sheltered account more than you can legally.
CP16 The IRS sent you this notice to tell you about changes The IRS made to your return that affect your refund. The IRS made these changes because they believe there was a miscalculation. Our records show you owe other tax debts and they applied all or part of your refund to them.
CP19 The IRS has increased the amount of tax you owe because they believe you incorrectly claimed one or more deductions or credits.
CP20 they believe you incorrectly claimed one or more deductions or credits. As a result, your refund is less than you expected.
CP21A The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of the change(s).
CP21B The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You should receive your refund within 2-3 weeks of your notice.
CP21C The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You're not due a refund nor do you owe any additional amount. Your account balance for this tax form and tax year is zero.
CP21E As a result of your recent audit, The IRS made changes to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of these changes.
CP21I The IRS made changes to your tax return for the tax year specified on the notice for Individual Retirement Arrangement (IRA) taxes. You owe money on your taxes as a result of these changes.
CP22A The IRS made the change(s) you requested to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of the change(s).
CP22E As a result of your recent audit, The IRS made changes to your tax return for the tax year specified on the notice. You owe money on your taxes as a result of these changes.
CP22I The IRS made changes to your tax return for the tax year specified on the notice for Individual Retirement Arrangement (IRA) taxes. You owe money on your taxes as a result of these changes.
CP23 The IRS made changes to your return because the IRS found a difference between the amount of estimated tax payments on your tax return and the amount they posted to your account. You have a balance due because of these changes.
CP24 The IRS made changes to your return because The IRS found a difference between the amount of estimated tax payments on your tax return and the amount they posted to your account. You have a potential overpayment credit because of these changes.
CP24E The IRS made changes to your return because the IRS found a difference between the amount of estimated tax payments on your tax return and the amount they posted to your account. You have a potential overpayment credit because of these changes.
CP25 The IRS made changes to your return because the IRS found a difference between the amount of estimated tax payments on your tax return and the amount they posted to your account. You're not due a refund nor do you owe an additional amount because of our changes. Your account balance is zero.
CP27 The IRS sent you this notice because our records indicate you may be eligible for the Earned Income Credit (EIC), but didn't claim it on your tax return.
CP30 The IRS charged you a penalty for not pre-paying enough of your tax either by having taxes withheld from your income, or by making timely estimated tax payments.
CP30A The IRS reduced or removed the penalty for underpayment of estimated tax reported on your tax return.
CP31 Your refund check was returned to us, so you need to update your address.
CP32 The IRS sent you a replacement refund check.
CP32A Call us to request your refund check.
CP39 The IRS used a refund from your spouse or former spouse to pay your past due tax debt. You may still owe money.
CP42 The amount of your refund has changed because the IRS used it to pay your spouse's past due tax debt.
CP45 the IRS was unable to apply your overpayment to your estimated tax as you requested.
CP49 The IRS sent you this notice to tell you the IRS used all or part of your refund to pay a tax debt.
CP51A The IRS computed the tax on your Form 1040, 1040A or 1040EZ. You owe taxes.
CP51B The IRS computed the tax on your Form 1040, 1040A or 1040EZ. You owe taxes.
CP51C The IRS computed the tax on your Form 1040, 1040A or 1040EZ. You owe taxes.
CP53 The IRS can't provide your refund through direct deposit, so we're sending you a refund check by mail.
CP 57 Notice of Insufficient Funds
CP59 The IRS sent you this notice because they have no record that you filed your prior personal tax return or returns.
CP60 The IRS removed a payment erroneously applied to your account.
CP62 The IRS applied a payment to your account.
CP63 The IRS is holding your refund because you have not filed one or more tax returns and they believe you will owe tax.
CP71 You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP71A You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP71C You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP71D You received this notice to remind you of the amount you owe in tax, penalty and interest.
CP88 The IRS is holding your refund because you have not filed one or more tax returns and they believe you will owe tax.
CP 90/CP 297 Final Notice - Notice of Intent to Levy and Notice of Your Right to a Hearing
CP90C The IRS levied you for unpaid taxes. You have the right to a Collection Due Process hearing.
CP 91/CP 298 Final Notice Before Levy on Social Security Benefits
CP120 You need to send us documentation of your tax-exempt status.
CP120A Your organization's tax-exempt status has been revoked for failure to file a Form 990 series return for three consecutive years. In addition, you are no longer eligible to sponsor a tax-sheltered annuity plan (Internal Revenue Code section 403(b) retirement plan).
CP130 Your tax return filing requirements may have changed: You may no longer need to pay the Alternative Minimum Tax.
CP152 The IRS has received your return.
CP153 The IRS can't provide you with your refund through a direct deposit, so we're sending you a refund check/credit payment by mail.
CP 161 Request for Payment or Notice of Unpaid Balance, Balance Due
CP166 the IRS was unable to process your monthly payment because there were insufficient funds in your bank account.
CP178 Your tax return filing requirements may have changed: You may no longer owe excise tax.
CP180/CP181 The IRS sent you this notice because your tax return is missing a schedule or form.
CP231 Your refund or credit payment was returned to us and the IRS  needs you to update your current address.
CP259 The IRS sent you this notice because our records indicate you didn't file the required business tax return identified in the notice.
CP259A The IRS sent you this notice because our records indicate you did not file a required Form 990/990-EZ, Return of Organization Exempt From Income Tax.
CP259B The IRS sent you this notice because our records indicate you didn't file a required Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Nonexempt Charitable Trust Treated as a Private Foundation.
CP259C The IRS sent you this notice because our records indicate you are presumed to be a private foundation and you didn't file a required Form 990-PF, Return of Private Foundation or Section 4947(a)(1) Nonexempt Charitable Trust Treated as a Private Foundation.
CP259D The IRS sent you this notice because our records indicate you did not file a required Form 990-T, Exempt Organization Business Income Tax Return.
CP259E The IRS sent you this notice because our records indicate you did not file a required Form 990-N, e-Postcard.
CP259F We're sending you this notice because our records indicate you did not file a required Form 5227, Split-Interest Trust information Return.
CP259G The IRS sent you this notice because our records indicate you did not file a required Form 1120-POL, U.S. Income Tax Return for Certain Political Organizations.
CP259H The IRS sent you this notice because our records indicate you are a tax-exempt political organization and you did not file a required Form 990/990-EZ, Return of Organization Exempt From Income Tax.
CP276A The IRS didn't receive a correctly completed tax liability schedule. The IRS normally charge a Federal Tax Deposit (FTD) penalty when this happens. The IRS decided not to do so this time.
CP276B The IRS didn't receive the correct amount of tax deposits. The IRS normally charge a Federal Tax Deposit penalty when this happens. The IRS decided not to do so this time.
CP 90/CP 297 Final Notice - Notice of Intent to Levy and Notice of Your Right to a Hearing
CP 297A Notice of Levy and Notice of Your Right to a Hearing
CP297C The IRS levied you for unpaid taxes. You have the right to a Collection Due Process hearing.
CP 91/CP 298 Final Notice Before Levy on Social Security Benefits
CP501 You have a balance due (money you owe the IRS) on one of your tax accounts.
CP503 The IRS has not heard from you and you still have an unpaid balance on one of your tax accounts.
CP504 You have an unpaid amount due on your account. If you do not pay the amount due immediately, the IRS will seize (levy) your state income tax refund and apply it to pay the amount you owe.
CP504B You have an unpaid amount due on your account. If you do not pay the amount due immediately, the IRS will seize (levy) certain property or rights to property and apply it to pay the amount you owe.
CP521 This notice is to remind you that you have an installment agreement payment due. Please send your payment immediately.
CP523 This notice informs you of our intent to terminate your installment agreement and seize (levy) your assets. You have defaulted on your agreement.
CP565 The IRS gave you an Individual Taxpayer Identification Number (ITIN).
CP565 (SP) Nosotros le asignamos un Número de Identificación Personal del Contribuyente (ITIN, por sus siglas en inglés).
CP566 The IRS needs more information to process your application for an Individual Taxpayer Identification Number (ITIN). You may have sent us an incomplete form. You may have sent us the wrong documents.
CP566 (SP) Necesitamos más información para poder tramitar su solicitud para un Número de Identificación Personal del Contribuyente (ITIN, por sus siglas en inglés). Usted quizá nos envió un formulario incompleto. O, quizá nos envió los documentos incorrectos.
CP567 The IRS rejected your application for an Individual Taxpayer Identification Number (ITIN). You may not be eligible for an ITIN. Your documents may be invalid. They may not have received a reply when they asked for more information.
CP567 (SP) Hemos rechazado su solicitud para un Número de Identificación Personal de Contribuyente (ITIN, por sus siglas en inglés). Es posible que no reúna los requisitos para un ITIN o que sus documentos no sean válidos. O es posible que no hayamos recibido una contestación de su parte cuando solicitamos más información.
CP601 Usted tiene un saldo pendiente de pago (dinero que le debe al IRS) en una de sus cuentas contributivas.
CP603 No hemos recibido respuesta de parte de usted y todavía tiene un saldo sin pagar en una de sus cuentas contributivas.
CP604 Usted tiene un saldo sin pagar en su cuenta. De no pagar esta cantidad inmediatemente, el IRS embargará cualquier reembolso de impuestos estatales al que tenga derecho y aplicarlo al pago de su deuda.
CP604B Usted tiene un saldo sin pagar en su cuenta. De no pagar esta cantidad inmediatemente, el IRS embargará ciertas propiedades o derechos de propiedad y lo aplicará al pago de su deuda.
CP621 Este aviso es para notificarle que usted tiene un plan de pagos a plazos vencido. Por favor, envíe el pago inmediatamente.
CP623 Este aviso es para informarle nuestra intención de cancelar su plan de pagos a plazos y confiscar (embargar) sus bienes. Usted incumplió en su acuerdo.
CP711 Nosotros realizamos cambios a su planilla debido a que entendemos que hubo un cálculo erróneo. Como resultado de estos cambios, usted adeuda dinero por sus contribuciones.
CP712 Hemos realizado cambios para corregir un error de cálculo en su planilla.
CP713 Hemos realizado cambios para corregir un error de cálculo en su planilla. No se le debe un reembolso y no adeuda una cantidad de dinero adicional a causa de estos cambios. El saldo de su cuenta es cero.
CP714 Le enviamos este aviso porque usted adeuda contribuciones pendientes de pago.
CP721 Hicimos el(los) cambio(s) que usted solicitó a su declaración de impuestos para el año tributario que aparece en su aviso. Como resultado de éste(estos) cambio(s) usted debe dinero en sus impuestos.
CP722 Hicimos el(los) cambio(s) que usted solicitó a su declaración de impuestos para el año tributario que aparece en su aviso. Como resultado de éste(estos) cambio(s) usted debe dinero en sus impuestos.
CP749 Le enviamos este aviso para informarle que hemos utilizado todo o parte de su reintegro para pagar una deuda contributiva.
CP759 Le enviamos este aviso porque no tenemos registro que indique que usted radicó su planilla o planillas de contribuciones personales para uno o varios años anteriores.
CP771 Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP772 Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP773 Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP774 Usted recibió este aviso para recordarle sobre la cantidad que adeuda en contribuciones, multas e intereses.
CP959 Usted no radicó su planilla de contribución de negocios identificada en este aviso.
CP2000 Notice of Proposed Adjustment for Underpayment/Overpayment
CP2005 The IRS accepted the information you sent us. We're not going to change your tax return. We've closed our review of it.
CP2006 The IRS received your information. We'll look at it and let you know what we're going to do.
CP2057 You need to file an amended return. We've received information not reported on your tax return.
CP2501 You need to contact us. We've received information not reported on your tax return.

Other Notices and Letters

Notice or Letter Number Title
Letter 0484C Collection Information Statement Requested (Form 433F/433D); Inability to Pay/Transfer
Letter 0549C Balance Due on Account is Paid
Letter 668D(LP 68) The IRS released the taxpayer's levy.
Letter 0681C Proposal to Pay Accepted
Letter 0757C Installment Privilege Terminated
Letter 1058 (LT 11) Final Notice prior to levy; your right to a hearing
Letter 1615 (LT 18) Mail us your overdue tax returns.
Letter 1731 (LP 64) Please help us locate a taxpayer.
Letter 1737 (LT 27) Please complete and site Form 433F, Collection Information Statement.
Letter 1961C Installment Agreement for Direct Debit 433-G
Letter 1962C Installment Agreement Reply to Taxpayer
Letter 2050 (LT 16) Please call us about your overdue taxes or tax return.
Letter 2257C Balance Due Total to Taxpayer
Letter 2271C Installment Agreement for Direct Debit Revisions
Letter 2272C Installment Agreement Cannot be Considered
Letter 2273C Installment Agreement Accepted: Terms Explained
Letter 2318C Installment Agreement: Payroll Deduction (F2159) Incomplete
Letter 2357C Abatement of Penalties and Interest
Letter 2603C Installment Agreement Accepted - Notice of Federal Tax Lien Will be Filed
Letter 2604C Pre-assessed Installment Agreement
Letter 2761C Request for Combat Zone Service Dates
Letter 2789C Taxpayer Response to Reminder of Balance Due
Letter 2840C CC IAPND Installment Agreement Confirmation
Letter 3030C Balance Due Explained:Tax/Interest Not Paid
Letter 3127C Revision to Installment Agreement
Letter 3217C Installment Agreement Accepted: Terms Explained
Letter 3228 (LT 39) Reminder notice.
Letter 4903 (LT 26) The IRS has no record of receiving your tax returns.
Letter LP 47 Address Information Request
Letter LP 59 Please contact us about the taxpayer levy.